The abacus was invented in the sixth century by Chinese The umbrella was invented about 4000 years ago in Assyria，China and EThe binoculars was invented in 1854 by Ignatio Porro in IThe camera was invented in 1827 by Joseph Nicephore Niepce who took the first The bicycle was invented in 1880s in E
I think the most important modern invention is the I With the Internet， we can do many For example， we can shop， learn knowledge， listen to music， and watch movies The Internet makes the world We can meet and talk to friends and relatives far away without spending a lot of We can also post our blogs online so our friends can know what we are doing by visiting our websites like QQ S Internet makes our life more exciting and
